作业帮英语must +have+动词的过去分词怎么用
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/21 20:10:11
英语must +have+动词的过去分词怎么用
当我们推测已经发生的事情的时候,我们使用must have done.如：
Look!Tom is playing computer games.He must have finished his homework.Otherwise his mother won't let him do so.看!汤姆玩游戏呢.他作业肯定做完了.否则他妈是不允许他这么做的.
The ground is wet.It must have rained last night.地面是湿的.昨晚一定下雨了.
Look!Tom is playing computer games.He must have finished his homework.Otherwise his mother won't let him do so.看!汤姆玩游戏呢.他作业肯定做完了.否则他妈是不允许他这么做的.
The ground is wet.It must have rained last night.地面是湿的.昨晚一定下雨了.